Scientists from the Polytechnic Institute of Novgorod State University, together with colleagues from a number of Chinese ...

Warm dense matter is a state of matter that forms at extreme temperatures and pressures, like those found at the center of ...

Learn how economists measure externalities using equilibrium models, cost assessments, and qualitative methods. Gain insight into real-world and theoretical impacts.

Learn how GDP measures U.S. economic growth and its role in policy and budget planning by the Bureau of Economic Analysis.